1163808 has 60 divisors (see below), whose sum is σ = 3430350. Its totient is φ = 387072.

The previous prime is 1163791. The next prime is 1163821. The reversal of 1163808 is 8083611.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 219024 = 972^2 + 468^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2368 + ... + 2816.

2^1163808 is an apocalyptic number.

1163808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715175).

1163808 is an abundant number, since it is smaller than the sum of its proper divisors (2266542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163808 is an equidigital number, since it uses as much as digits as its factorization.

1163808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1163808 is about 1078.7993325916. The cubic root of 1163808 is about 105.1866069395.

The spelling of 1163808 in words is "one million, one hundred sixty-three thousand, eight hundred eight".